Change pre-commit concurrency to CI only

Author: AntoinePrv

.circleci/config.yml

@@ -194,6 +194,8 @@ commands:
             - precommit-v1.1-{{ arch }}-
       - run:
           environment:
+            # Remove parallelism for clang-tidy that goes out of memory otherwise
+            PRE_COMMIT_NO_CONCURRENCY: "True"
             PRE_COMMIT_HOME: &pre_commit_cache_dir /cache/precommit
           name: "Run pre-commit checks"
           no_output_timeout: 30m

.pre-commit-config.yaml

@@ -19,7 +19,6 @@ repos:
         args: [--style=file, -i]
       - id: clang-tidy
         args: [--fix, --fix-errors]
-        require_serial: true  # Set parallelism to one otherwise it gwt out of memory on CircleCI.
   - repo: https://github.com/psf/black
     rev: 19.10b0
     hooks: